4140-01-054-2279 FAN WHEEL ASSEMBLY Index 5360-01-054-2281 SPRING

National Stock Number:
5305-01-054-2280

Federal Supply Class:
5305

National Item Identification Number:
010542280

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
510137772582ROLLS-ROYCE SOLUTIONS AMERICA INC


Techincal Specification:
FASTENER LENGTH0.984 INCHES NOMINAL
HARDNESS RATING31.5 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT0.234 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1035 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.554 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS1A
THREAD LENGTH0.950 INCHES MINIMUM AND 0.984 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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